| abstract |
The present invention provides compounds of formula (I):wherein: R1, R2, R3 R4, R5, R6, X, - - - , m, and n have any of the values defined in the specification, as well as pharmaceutical compositions comprising the compounds or salts thereof. The invention also provides therapeutic methods as well as processes and intermediates useful for preparing compounds of formula (I). The compounds are useful as 5-HT ligands. |